CN202257833U - Wireless fire smoke sensing alarming remote monitoring system - Google Patents

Wireless fire smoke sensing alarming remote monitoring system Download PDF

Info

Publication number
CN202257833U
CN202257833U CN201120358796XU CN201120358796U CN202257833U CN 202257833 U CN202257833 U CN 202257833U CN 201120358796X U CN201120358796X U CN 201120358796XU CN 201120358796 U CN201120358796 U CN 201120358796U CN 202257833 U CN202257833 U CN 202257833U
Authority
CN
China
Prior art keywords
wireless
unit
connects
alarm
chip microprocessor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201120358796XU
Other languages
Chinese (zh)
Inventor
张瞳
陈俊恺
Original Assignee
张瞳
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 张瞳 filed Critical 张瞳
Priority to CN201120358796XU priority Critical patent/CN202257833U/en
Application granted granted Critical
Publication of CN202257833U publication Critical patent/CN202257833U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a wireless fire smoke sensing alarming remote monitoring system, which is characterized in that: the wireless fire smoke sensing alarming remote monitoring system is provided with a monitoring center monitoring device (1), a fire alarming monitoring main machine (2), a wireless acoustic-optical alarming device (3), a wireless hand-operated alarming button (4) and a wireless smoke sensing fire detection alarming device (5). The wireless fire smoke sensing alarming remote monitoring system is flexible to construct, is convenient to install and debug, has small construction quantity, can greatly shorten the construction period, is convenient to maintain and repair, can reduce the maintenance cost, is simple to operate, is simple and convenient to install, has high sensitivity, and is safe and reliable.

Description

A kind of wireless fire disaster smoke-sensitive alarm long distance control system
Technical field
the utility model relates to a kind of long distance control system, relates in particular to a kind of wireless fire disaster smoke-sensitive alarm long distance control system.
Background technology
1, automatic fire alarm system: mainly form, automatically (manually) discovery condition of a fire and timely the warning by concentrated alarm controller, local alarm controller, audible-visual annunciator, fire detector, manual fire alarm call point etc.Experience multiple-way system switching value formula, bus system switching value formula and analog quantity conveying type fire alarm system three phases are applicable to high level, tier building.Present stage, most automatic fire alarm control system ubiquity system complex, long, the high problem of installation cost of construction period; Keep in repair in addition, safeguard shortcomings such as loaded down with trivial details, make mounted building fire protection facility be in paralysis or semiparalysis state, can not normally play a role; Isolated, wide, the difficult discovery of fault that distributes of automatic fire alarm system, the management maintenance difficulty; Monitor capacity is little, do not establish the flexible networking interface, shortcomings such as man-machine interface is simple, response speed is slow, poor reliability, rate of false alarm height; In practical operation, because fire alarm information need be passed through operator on duty's processing, artificial factor has played crucial effect simultaneously.
2, free-standing smoke detecting alarm: this detecting alarm is the fire detecting and alarm device that works alone, sends the sound and light alarm signal, flees from the scene of a fire with the warning personnel during fire.Only be suitable for intensive building and the place of small-sized personnel, can only self report to the police, can't network, distribute wide and the difficult discovery of fault, the management maintenance difficulty; When in the protection zone nobody the time breaking out of fire, alerting signal can't be communicated to, and can not in time put out a fire to save life and property, and can't implement third party's monitoring management, does not still have the relevant art product to solve such problem at present.
Summary of the invention
The purpose of the utility model be to overcome the deficiency of above-mentioned prior art and provide a kind of and construct flexibly, Installation and Debugging are convenient, construction volume is little, shorten construction period greatly, maintaining and easy to maintenance, reduce maintenance cost, simple to operate, simple installation, highly sensitive, safe and reliable wireless fire disaster smoke-sensitive alarm long distance control system.
The purpose of the utility model can reach through following measure: a kind of wireless fire disaster smoke-sensitive alarm long distance control system; It is characterized in that it has Surveillance center's watch-dog, fire alarm monitoring host computer, wireless audible-visual annunciator, wireless manual pull station and wireless smoke detecting alarm; Surveillance center's watch-dog body is provided with single-chip microprocessor MCU; Single-chip microprocessor MCU is connection matrix pushbutton unit, I/O expanding element, storage unit, clock unit, power supply voltage stabilizing and battery charge detecting unit, LCD display unit, state indicating member, BEEP hummer, 232 converting units, at least one communication IC respectively; Each communication IC IC that receives a crime report, each IC that receives a crime report connects telephone line port, GSM PORT COM respectively; Fire alarm monitoring host computer body is provided with center processor CPU; Center processor CPU connects DTMF codec unit, LCD display unit, status indicator lamp, alarm bell driver element, communication interface, recording monitoring unit, RS485 interface unit, matrix press-key unit, IO expanding element, storage unit, clock unit, power supply voltage stabilizing and battery charge detecting unit respectively; The DTMF codec unit connects RF-IN wireless receiving module, RF-OUT wireless transmitter module; Wireless receiving module connects receiving antenna, and wireless transmitter module connects emitting antenna; Wireless audible-visual annunciator body is provided with single-chip microprocessor MCU; Single-chip microprocessor MCU connects the RF-IN wireless receiving module respectively, to sign indicating number button, clear sign indicating number button, power supply, led state pilot lamp, loudspeaker (3-8), voltage regulation unit, rechargeable battery, the RF-IN wireless receiving module connects receiving antenna; Wireless manual pull station body is provided with single-chip microprocessor MCU, and single-chip microprocessor MCU connects RF-OUT wireless transmitter module, led state signal lamp, manual pull station, lithium battery respectively, and wireless transmitter module connects emitting antenna; Wireless smoke detecting alarm body is provided with single-chip microprocessor MCU; Single-chip microprocessor MCU connects RF-OUT wireless transmitter module, infrared smoke probe unit, testing button, led state signal lamp, hummer, voltage regulation unit respectively; Voltage regulation unit connects lithium battery, and the RF-OUT wireless transmitter module connects emitting antenna.
In order further to realize the purpose of the utility model, described communication IC is 4, and receive a crime report IC corresponding with it, telephone line port and GSM PORT COM are 4.
The utility model is made up of Surveillance center's watch-dog, fire alarm monitoring host computer, wireless audible-visual annunciator, wireless manual pull station and wireless smoke detecting alarm; Wireless smoke detecting alarm is installed in the buildings; Wireless manual pull station is installed on the wall in personnel aisle; Wireless audible-visual annunciator is installed on the wall of floor corridor; When by the monitor area breaking out of fire, wireless smoke detecting alarm detects when being reached threshold value by the smog of monitor area through the infrared smoke probe unit, outside emission wireless alarm signal when self sends acoustic alarm signal; After the fire alarm monitoring host computer receives alerting signal; This machine LCD display display alarm information is also sent acoustic alarm signal, sends wireless alarm signal to the wireless audible-visual annunciator and the Surveillance center's watch-dog that are installed on the floor corridor simultaneously, and wireless audible-visual annunciator starts loudspeaker after receiving alerting signal immediately; Send the fire alarm signal that is higher than ground unrest 40dB; Surveillance center's watch-dog receives alerting signal, the detail location of the electronic chart display alarm point that shows through PC, and the operator on duty can notify owner and the fire-fighting 119 center processing alert of receiving a crime report immediately; When the fire initial stage; Smog does not trigger wireless smoke detecting alarm when reporting to the police, and finds if any personnel, can press the wireless manual pull station that is installed on the wall nearby and send wireless alarm signal; After the fire alarm monitoring host computer receives alerting signal; This machine LCD display display alarm information is also sent acoustic alarm signal, sends wireless alarm signal to the wireless audible-visual annunciator and the Surveillance center's watch-dog that are installed on the floor corridor simultaneously, and wireless audible-visual annunciator starts loudspeaker after receiving alerting signal immediately; Send the fire alarm signal that is higher than ground unrest 40dB; Surveillance center's watch-dog receives alerting signal, the detail location of the electronic chart display alarm point that shows through PC, and the operator on duty can notify owner and the fire-fighting 119 center processing alert of receiving a crime report immediately.
The utility model is compared with prior art can produce following good effect: the utility model is the fire alarm system that adopts Radio Transmission Technology to set up; This warning system is made up of Surveillance center's watch-dog, monitoring host computer, wireless audible-visual annunciator, wireless manual pull station and wireless smoke detecting alarm; Through on the smoke detection alarm, increasing wireless communication module; Realize docking of wireless smoke detecting alarm and Surveillance center watch-dog through wireless transmission method, realize third party's monitoring management the smoke detection alarm; This system integrates fire alarm, monitoring, communication, computer management, through GSM, PSTN communication network, has realized the warning robotization, the intellectuality of receiving a crime report, the prediction schemeization of dealing with emergencies and dangerous situations, networking management, professional services, fire-fighting modernization; The wireless networking structure of system has guaranteed can in coverage, can local adjust when facility is installed in system, and construction is flexible, and Installation and Debugging are convenient, need not through walls burrowing, and the wireless mode construction volume are little, shorten construction period greatly; Relatively independent between each equipment, help maintaining and maintenance, reduce maintenance cost, have simple to operate, simple installation, characteristics such as highly sensitive, safe and reliable; System can manage 100,000 user terminals, and capacity is big, and has reserved various expansion expansion interfaces, and upgrading is convenient, duplicate construction is few.
Description of drawings:
Fig. 1 is the structured flowchart of the utility model;
Fig. 2 is the electric theory diagram of Surveillance center's watch-dog of Fig. 1;
Fig. 3 is the electric theory diagram of the fire alarm monitoring host computer of Fig. 1;
Fig. 4 is the electric theory diagram of the wireless audible-visual annunciator of Fig. 1;
Fig. 5 is the electric theory diagram of the manual pull station of Fig. 1;
Fig. 6 is the electric theory diagram of the wireless smoke detecting alarm of Fig. 1.
Embodiment: elaborate below in conjunction with the embodiment of accompanying drawing to the utility model:
Embodiment: a kind of wireless fire disaster cigarette sense warning long distance control system (referring to Fig. 1), it has Surveillance center's watch-dog (1), fire alarm monitoring host computer (2), wireless audible-visual annunciator (3), wireless manual pull station (4), wireless smoke detecting alarm (5).
Surveillance center's watch-dog 1 (referring to Fig. 2) body is provided with single-chip microprocessor MCU 1-5 (STM8S207); Single-chip microprocessor MCU 1-5 (STM8S207) is connection matrix pushbutton unit 1-6, I/O expanding element 1-7 (74HC373), storage unit 1-8 (AT45DB321C), clock unit 1-9 (HT1381), power supply voltage stabilizing and battery charge detecting unit 1-10 (LM2596-5.0, LM2596-ADJ, LM317), LCD display unit 1-11 (LM3033), state indicating member 1-12, BEEP hummer 1-13,232 converting unit 1-14 (ADM3251E), at least one (present embodiment is 4) communication IC 1-4 (MAX-485) respectively; Each communication IC 1-4 (MAX-485) IC 1-3 (TMP78P10) that receives a crime report, each IC 1-3 (TMP78P10) that receives a crime report connects telephone line port 1-1 (HT9170), GSM PORT COM 1-2 (SIM900) respectively.
Fire alarm monitoring host computer 2 (referring to Fig. 3) body is provided with center processor CPU 2-4 (STC89C58RD); Center processor CPU 2-4 connects DTMF codec unit 2-3 (HT9200, HT9170), LCD display unit 2-5 (TG12232,74HC164), status indicator lamp 2-6, alarm bell driver element 2-7, communication interface 2-8 (4N35, H11D1), recording monitoring unit 2-9 (ISD1110), RS485 interface unit 2-10 (MAX485), matrix press-key unit 2-11, IO expanding element 2-12 (74HC373), storage unit 2-13 (24C16), clock unit 2-14 (HT1381), power supply voltage stabilizing and battery charge detecting unit 2-15 (LM2596-ADJ, LM393, LM7805CK) respectively; DTMF codec unit 2-3 (HT9200, HT9170) connects RF-IN wireless receiving module 2-2 (MICRF E13.52127), RF-OUT wireless transmitter module 2-16 (ICRF113 crystal oscillator 13.560M); Wireless receiving module 2-2 (MICRF E13.52127) connects receiving antenna 2-1, and wireless transmitter module 2-16 (ICRF113 crystal oscillator 13.560M) connects emitting antenna 2-17.
Wireless audible-visual annunciator 3 (referring to Fig. 4) body is provided with single-chip microprocessor MCU 3-3 (TMP78R10); Single-chip microprocessor MCU 3-3 (TMP78R10) connects RF-IN wireless receiving module 3-2 (CZS-3 433MHz) respectively, to sign indicating number button 3-4, clear sign indicating number button 3-5, DC18V power supply 3-6, led state pilot lamp 3-7, loudspeaker 3-8, voltage regulation unit 3-9 (LM-317), rechargeable battery 3-10, RF-IN wireless receiving module 3-2 (CZS-3433MHz) connects receiving antenna 3-1.
Wireless manual pull station 4 (referring to Fig. 5) body is provided with single-chip microprocessor MCU 4-3 (SN2501B); Single-chip microprocessor MCU 4-3 (SN2501B) connects RF-OUT wireless transmitter module 4-2 (ICRF113 crystal oscillator 13.560M), led state signal lamp 4-4, manual pull station 4-5, lithium battery 4-6 respectively, and wireless transmitter module 4-2 (ICRF113 crystal oscillator 13.560M) connects emitting antenna 4-1.
Wireless smoke detecting alarm 5 (referring to Fig. 6) body is provided with single-chip microprocessor MCU 5-5 (TMP87P808); Single-chip microprocessor MCU 5-5 (TMP87P808) connects RF-OUT wireless transmitter module 5-2 (ICRF113 crystal oscillator 13.560M), infrared smoke probe unit 5-3, testing button 5-4, led state signal lamp 5-6, hummer 5-7, voltage regulation unit 5-8 (HT-7044) respectively; Voltage regulation unit 5-8 (HT-7044) connects lithium battery 5-9, and RF-OUT wireless transmitter module 5-2 (ICRF113 crystal oscillator 13.560M) connects emitting antenna 5-1.
Working condition 1; The smog parameter that wireless smoke detecting alarm 5 collects on-site supervision surpasses threshold value; Infrared smoke probe unit 5-3 is to single-chip microprocessor MCU 5-5 output electric signal; Single-chip microprocessor MCU 5-5 driving LED status signal pilot lamp 5-6 is glittering, hummer 5-7 sends acoustic alarm signal; The alerting signal of single-chip microprocessor MCU 5-5 output is launched to fire alarm monitoring main frame 2 through emitting antenna 5-1 through RF-OUT wireless transmitter module 5-2; Alerting signal is input to DTMF codec unit 2-3 through the receiving antenna 2-1 and the wireless receiving module 2-1 reception of fire alarm monitoring host computer 2; DTMF codec unit 2-3 inputs to center processor CPU 2-4 with decoded alerting signal; Center processor CPU 2-4 drives LCD display unit 2-5, clock unit 2-14 display alarm information, storage unit 2-13 store alarms information, and status indicator lamp 2-6 lights, and drives alarm bell through alarm bell driver element 2-7 and rings; The alert data of center processor CPU 2-4 output transmits to Surveillance center's watch-dog 1, wireless audible-visual annunciator 3 through RS485 interface unit 2-10, communication interface 2-8; To wireless audible-visual annunciator 3 emissions, receiving antenna 3-1, RF-IN receiver module 3-2 transfer to the single-chip microprocessor MCU 3-3 of wireless audible-visual annunciator 3 with the alerting signal that receives to the alerting signal of center processor CPU 2-4 output through RF-OUT wireless transmitter module 2-16, emitting antenna 2-17, and single-chip microprocessor MCU 3-3 driving LED status indicator lamp 3-7 is glittering, loudspeaker 3-8 rings; The alert data that receives the transmission of fire alarm monitoring host computer through telephone line port 1-1, GSM PORT COM 1-2 passes through the single-chip microprocessor MCU 1-5 that the IC 1-3 communication IC 1-4 that receives a crime report transfers to Surveillance center's watch-dog 1; Single-chip microprocessor MCU 1-5 drive clock unit 1-9, LCD display unit 1-11 display alarm information, state indicating member 1-12 indicating status, BEEP hummer 1-13 sends the sound; Storage unit 1-8 canned data, 232 converting unit 1-14 connect the PC demonstration or print warning message.
Working condition 2; Less smog appears when the building fire initial stage; The situation personnel of observing can press wireless manual pull station 4-5 nearby; Wireless manual pull station 4-5 is to single-chip microprocessor MCU 4-3 output electric signal; 4-4 is glittering for single-chip microprocessor MCU 4-3 driving LED status signal pilot lamp; Simultaneously to fire alarm monitoring main frame 2 emission alerting signals; Alerting signal is input to DTMF codec unit 2-3 through the receiving antenna 2-1 and the wireless receiving module 2-1 reception of fire alarm monitoring host computer 2, and DTMF codec unit 2-3 inputs to center processor CPU 2-4 with decoded alerting signal, and center processor CPU 2-4 drives LCD display unit 2-5, clock unit 2-14 display alarm information, storage unit 2-13 store alarms information; Status indicator lamp 2-6 lights; Drive alarm bell through alarm bell driver element 2-7 and ring, to Surveillance center's watch-dog 1,3 transmission of wireless audible-visual annunciator, launch to wireless audible-visual annunciator 3 through RF-OUT wireless transmitter module 2-16, emitting antenna 2-17 by the alerting signal of center processor CPU 2-4 output through RS485 interface unit 2-10, communication interface 2-8 for the alert data of center processor CPU 2-4 output; Receiving antenna 3-1, RF-IN receiver module 3-2 transfer to the alerting signal that receives the single-chip microprocessor MCU 3-3 of wireless audible-visual annunciator 3; Single-chip microprocessor MCU 3-3 driving LED status indicator lamp 3-7 is glittering, loudspeaker 3-8 rings, and the alert data that receives the transmission of fire alarm monitoring host computer through telephone line port 1-1, GSM PORT COM 1-2 passes through the single-chip microprocessor MCU 1-5 that the IC1-3 communication IC1-4 that receives a crime report transfers to Surveillance center's watch-dog 1, single-chip microprocessor MCU 1-5 drive clock unit 1-9, LCD display unit 1-11 display alarm information; State indicating member 1-12 indicating status; BEEP hummer 1-13 sends the sound, storage unit 1-8 canned data, and 232 converting unit 1-14 connect the PC demonstration or print warning message.

Claims (2)

1. wireless fire disaster smoke-sensitive alarm long distance control system; It is characterized in that it has Surveillance center's watch-dog (1), fire alarm monitoring host computer (2), wireless audible-visual annunciator (3), wireless manual pull station (4) and wireless smoke detecting alarm (5); Surveillance center's watch-dog (1) body is provided with single-chip microprocessor MCU (1-5); Single-chip microprocessor MCU (1-5) is connection matrix pushbutton unit (1-6), I/O expanding element (1-7), storage unit (1-8), clock unit (1-9), power supply voltage stabilizing and battery charge detecting unit (1-10), LCD display unit (1-11), state indicating member (1-12), BEEP hummer (1-13), 232 converting units (1-14), at least one communication IC (1-4) respectively; Each communication IC (1-4) IC (1-3) that receives a crime report, each IC that receives a crime report (1-3) connects telephone line port (1-1), GSM PORT COM (1-2) respectively; Fire alarm monitoring host computer (2) body is provided with center processor CPU (2-4); Center processor CPU (2-4) connects DTMF codec unit (2-3), LCD display unit (2-5), status indicator lamp (2-6), alarm bell driver element (2-7), communication interface (2-8), recording monitoring unit (2-9), RS485 interface unit (2-10), matrix press-key unit (2-11), IO expanding element (2-12), storage unit (2-13), clock unit (2-14), power supply voltage stabilizing and battery charge detecting unit (2-15) respectively; DTMF codec unit (2-3) connects RF-IN wireless receiving module (2-2), RF-OUT wireless transmitter module (2-16); Wireless receiving module (2-2) connects receiving antenna (2-1), and wireless transmitter module (2-16) connects emitting antenna (2-17); Wireless audible-visual annunciator (3) body is provided with single-chip microprocessor MCU (3-3); Single-chip microprocessor MCU (3-3) connects RF-IN wireless receiving module (3-2) respectively, to sign indicating number button (3-4), clear sign indicating number button (3-5), power supply (3-6), led state pilot lamp (3-7), loudspeaker (3-8), voltage regulation unit (3-9), rechargeable battery (3-10), RF-IN wireless receiving module (3-2) connects receiving antenna (3-1); Wireless manual pull station (4) body is provided with single-chip microprocessor MCU (4-3); Single-chip microprocessor MCU (4-3) connects RF-OUT wireless transmitter module (4-2), led state signal lamp (4-4), manual pull station (4-5), lithium battery (4-6) respectively, and wireless transmitter module (4-2) connects emitting antenna (4-1); Wireless smoke detecting alarm (5) body is provided with single-chip microprocessor MCU (5-5); Single-chip microprocessor MCU (5-5) connects RF-OUT wireless transmitter module (5-2), infrared smoke probe unit (5-3), testing button (5-4), led state signal lamp (5-6), hummer (5-7), voltage regulation unit (5-8) respectively; Voltage regulation unit (5-8) connects lithium battery (5-9), and RF-OUT wireless transmitter module (5-2) connects emitting antenna (5-1).
2. a kind of wireless fire disaster smoke-sensitive alarm long distance control system according to claim 1; It is characterized in that described communication IC (1-4) is 4, receive a crime report IC corresponding with it (1-3), telephone line port (1-1) and GSM PORT COM (1-2) are 4.
CN201120358796XU 2011-09-23 2011-09-23 Wireless fire smoke sensing alarming remote monitoring system Expired - Fee Related CN202257833U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120358796XU CN202257833U (en) 2011-09-23 2011-09-23 Wireless fire smoke sensing alarming remote monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120358796XU CN202257833U (en) 2011-09-23 2011-09-23 Wireless fire smoke sensing alarming remote monitoring system

Publications (1)

Publication Number Publication Date
CN202257833U true CN202257833U (en) 2012-05-30

Family

ID=46119043

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120358796XU Expired - Fee Related CN202257833U (en) 2011-09-23 2011-09-23 Wireless fire smoke sensing alarming remote monitoring system

Country Status (1)

Country Link
CN (1) CN202257833U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102426752A (en) * 2011-09-23 2012-04-25 张瞳 Remote monitoring system for wireless fire smoke-sensing alarm
CN105006093A (en) * 2015-07-31 2015-10-28 中建安装工程有限公司 GSM-based wireless remote fire alarm system
CN112616038A (en) * 2020-12-02 2021-04-06 南京微能信息技术有限公司 Intelligent emergency management command platform for safety production supervision

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102426752A (en) * 2011-09-23 2012-04-25 张瞳 Remote monitoring system for wireless fire smoke-sensing alarm
CN105006093A (en) * 2015-07-31 2015-10-28 中建安装工程有限公司 GSM-based wireless remote fire alarm system
CN112616038A (en) * 2020-12-02 2021-04-06 南京微能信息技术有限公司 Intelligent emergency management command platform for safety production supervision

Similar Documents

Publication Publication Date Title
CN102426752A (en) Remote monitoring system for wireless fire smoke-sensing alarm
CN104599428A (en) Intelligent fire disaster alarming system of laboratory
CN102821525B (en) A kind of multi-function emergency lamp control system and control method thereof
CN103310575A (en) Zigbee wireless network intelligent firefighting monitoring alarming and joint control system
CN101593399A (en) Fire monitoring system based on GPRS and ZigBee sensor network
CN202257833U (en) Wireless fire smoke sensing alarming remote monitoring system
CN203164701U (en) Remote warehouse monitoring system based on GSM
CN106530646A (en) Fire-fighting monitoring alarm device
CN201111679Y (en) Independent sensing smoke fire disaster detecting alarming wireless remote monitoring system
CN202916938U (en) Intelligent fire-fighting monitoring system for dangerous chemical production field
CN210895789U (en) Wisdom city alarm management system
CN204632037U (en) Independence networking formula automatic fire alarm system
CN110570634A (en) Fire emergency management alarm device for community property
CN203224977U (en) Remote monitoring apparatus for fire fighting system
CN201353392Y (en) Gas extinguishing controller
CN204754991U (en) Novel colliery is gas density monitoring alarm in pit device
CN202159417U (en) Indoor safety monitoring alarm device
CN105006093A (en) GSM-based wireless remote fire alarm system
CN203179215U (en) Remote monitoring system of wireless fire alarm
CN108653967B (en) Fire hydrant monitoring devices that leaks
CN101540515B (en) Fire-fighting power supply wireless monitoring device
CN205563907U (en) Smog detects fire alarm sensing node based on zigBee
CN204791403U (en) Photovoltaic remote monitering system
CN204884041U (en) Wireless long -distance fire alarm system based on GSM
CN212593670U (en) High-rise intelligent digital fire extinguishing system and fire extinguisher supervision system

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120530

Termination date: 20170923

CF01 Termination of patent right due to non-payment of annual fee